Method GetFileInfo

cpp/src/arrow/filesystem/azurefs.cc:1823–1856

\pre location.path is not empty.

  /// \pre location.path is not empty.
  Result<FileInfo> GetFileInfo(const DataLake::DataLakeFileSystemClient& adlfs_client,
                               const AzureLocation& location,
                               Azure::Nullable<std::string> lease_id = {}) {
    auto file_client = adlfs_client.GetFileClient(location.path);
    DataLake::GetPathPropertiesOptions options;
    options.AccessConditions.LeaseId = std::move(lease_id);
    try {
      FileInfo info{location.all};
      auto properties = file_client.GetProperties(options);
      if (properties.Value.IsDirectory) {
        info.set_type(FileType::Directory);
      } else if (internal::HasTrailingSlash(location.path)) {
        // For a path with a trailing slash, a Hierarchical Namespace storage account
        // may recognize a file (path with trailing slash removed). For consistency
        // with other arrow::FileSystem implementations we chose to return NotFound
        // because the trailing slash means the user was looking for a directory.
        info.set_type(FileType::NotFound);
        return info;
      } else {
        info.set_type(FileType::File);
        info.set_size(properties.Value.FileSize);
      }
      info.set_mtime(
          std::chrono::system_clock::time_point{properties.Value.LastModified});
      return info;
    } catch (const Core::RequestFailedException& exception) {
      if (exception.StatusCode == Http::HttpStatusCode::NotFound) {
        return FileInfo{location.all, FileType::NotFound};
      }
      return ExceptionToStatus(
          exception, "GetProperties for '", file_client.GetUrl(),
          "' failed. GetFileInfo is unable to determine whether the path exists.");
    }
  }

  /// On flat namespace accounts there are no real directories. Directories are
  /// implied by empty directory marker blobs with names ending in "/" or there